NEW YORK, NEW YORK - SEPTEMBER 10: Sebastian Siemiatkowski (L), CEO of online lender Klarna, listens to a trader at the New York Stock Exchange (NYSE) on September 10, 2025 in New York City. (Photo by Spencer Platt/Getty Images)Getty ImagesThose keeping an eye on Klarna’s developments have questions, such as whether the company's expansion and recent profitability genuinely justify its valuation, or if there is still more hype than substantial metrics. For newcomers, Klarna (NYSE:KLAR) is a Swedish fintech ...